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fuel pump on a 1st gen


workdog

Active Member
Joined
Jan 1, 2010
Messages
36
City
SLC, UT
Vehicle Year
1986
Transmission
Automatic
I got no fuel pressure on my '86 (2.9 V6).
Dual tanks.

what happened: driving home from work, died out right as I turned. Got towed to a parking lot by a nice guy in a Jeep. After that it cranked up and then I left the lot, got out of the lot and it died again. Got it to start (keep cranking) and made it home. Died out on my at the end of my street. Pushed it home from there. Pushed on the release valve and nada.

So either its the pump(s) or what ever else could be wrong with this damn thing.
Im pretty sure its the pump because I can not hear it click on like I could before (right as I turn my key on all the way).

Any guess what pump it could be or a way to test one of them? Im hoping its the pumped mounted on the rail (only 50 bucks and its easy to change) and I think thats the pump thats shit.

Any help is greatly appreciated, hoping to have this fixed before work (cant afford to take the day off because I'll be lucky if I can pull the cost for a new in tank pump).

Thanks.
 
do either of the tanks work if not its possilbe its the one on the rail i would make sure it's gitting power first and i would check the feul presure to
 
check the battery grounds as well...the small computer grounds.
 
check the battery grounds as well...the small computer grounds.

Ill go double check the grounds on the frame. I checked the battery terminal and it was a bit bodgy so I put a new negative terminal on it.
 
Check for power by Checking the Fuel pump relay. It should be green and on the passengerside.

Make sure that the same power going into the relay is leaving the relay when it is switched on. Just because it clicks doesn't mean it's any good.
 
Check the HP pump. That sounds a lot like what mine did when I lost the rail pump.
 

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